Johnson, David W., 1940- Joining together : group theory and group skills / David W. Johnson, Frank P. Johnson. - 5th ed. - Boston : Allyn and Bacon, c1994. - xiv, 609 p. : ill. ; 24 cm. Includes bibliographical references (p. 571-592) and index. ISBN: 0205158463 LCCN: 93023263 Subjects--Topical Terms: Group relations trainingLeadershipSocial groups LC Class. No.: HM131 Dewey Class. No.: 302.3